Freezing assets

Authorized by: Asset Freeze Address

Freezing or unfreezing an asset for an account requires a transaction that is signed by the freeze account. The code below illustrates the freeze transaction.

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    """
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    Send an asset freeze transaction freezing an asset with asset id 1234
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    Parameters for freezing an asset.
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    - sender: The address of the account that will send the transaction
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    - asset_id: The ID of the asset
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    - account: The account to freeze or unfreeze
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    - frozen: Whether the assets in the account should be frozen
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    """
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    txn_result = algorand_client.send.asset_freeze(
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        AssetFreezeParams(
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            sender=account_a.address,
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            asset_id=1234,
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            account=account_b.address,  # The account to freeze or unfreeze
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            frozen=True,
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        )
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    )
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    """
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    Send an asset unfreeze transaction unfreezing an asset with asset id 1234
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    """
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    txn_result = algorand_client.send.asset_freeze(
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        AssetFreezeParams(
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            sender=account_a.address,
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            asset_id=1234,
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            account=account_b.address,  # The account to freeze or unfreeze
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            frozen=False,
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        )
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    )

const freezeTxn = algosdk.makeAssetFreezeTxnWithSuggestedParamsFromObject({
  from: manager.addr,
  suggestedParams,
  assetIndex,
  // freezeState: false would unfreeze the account's asset holding
  freezeState: true,
  // freezeTarget is the account that is being frozen or unfrozen
  freezeTarget: receiver.addr,
});

const signedFreezeTxn = freezeTxn.signTxn(manager.privateKey);
await algodClient.sendRawTransaction(signedFreezeTxn).do();
await algosdk.waitForConfirmation(
  algodClient,
  freezeTxn.txID().toString(),
  3
);

goal asset freeze --freezer <asset-freeze-account> --freeze=true --account <account-to-freeze> --creator <asset-creator> --asset <asset-name> -d data

See also

Anatomy of an Asset Freeze Transaction